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Compare BMW M3 E93 Convertible vs Alpina B3 E93 vs BMW M4 G83 Convertible

Variants
MT
DCT

Capacity

Cargo Capacity
210 L / 7.4 cu-ft ~ 350 L / 12.4 cu-ft
430 L / 15.2 cu-ft
300 L / 10.6 cu-ft ~ 385 L / 13.6 cu-ft
Engine Oil Capacity
8.8 L / 9.3 qt
7.0 L / 7.4 qt
Fuel Capacity
63.0 L / 16.6 gal
63.0 L / 16.6 gal
59.0 L / 15.6 gal
Passengers
4
4
4
Payload
355 kg / 783 lbs
425 kg / 937 lbs

Chassis

Brakes | Front
Ventilated discs
Ventilated discs
Ventilated discs
Brakes | Rear
Ventilated discs
Ventilated discs
Ventilated discs
Power Steering
Electric Steering
Electric Steering
Steering Ratio
14.6
Suspension | Front
MacPherson strut
MacPherson strut
MacPherson strut
Suspension | Rear
Multi-link
Multi-link
Multi-link
Tire Size
245/40 R18ZR, 265/40 R18ZR
Front wheel tires: 275/35 R19 Rear wheel tires: 285/30 R20
Tire Size | Front
275/35 ZR19 100Y XL
Tire Size | Rear
285/30 ZR20 99Y XL
Turning Circle
11.7 m / 38.4 ft
12.6 m / 41.3 ft

Construction

Body Style
2-door Convertible
2-door Convertible
2-door Convertible

Dimensions

Ground Clearance
121 mm / 4.8 in
Size | Height
1392 mm / 54.8 in
1395 mm / 54.9 in
1395 mm / 54.9 in
Size | Length
4615 mm / 181.7 in
4580 mm / 180.3 in
4794 mm / 188.7 in
Size | Width
1804 mm / 71.0 in
1782 mm / 70.2 in
1887 mm / 74.3 in
Track Width | Front
1540.0 mm / 60.6 in
1503.0 mm / 59.2 in
1617.0 mm / 63.7 in
Track Width | Rear
1539.0 mm / 60.6 in
1512.0 mm / 59.5 in
1605.0 mm / 63.2 in
Weight
1845.0 kg / 4067.5 lbs
1920.0 kg / 4232.9 lbs
Wheel Size
9.5J x 18
Front wheel rims: 9.5J x 19 Rear wheel rims: 10.5J x 20
Wheel Size | Front
9.5J x 19
Wheel Size | Rear
10.5J x 20
Wheelbase
2761 mm / 108.7 in
2760 mm / 108.7 in
2857 mm / 112.5 in

Performance

Acceleration | 0 - 100 km/h
5.0 sec
3.7 sec
Acceleration | 0 - 60 mph
4.8 sec
3.5 sec
CO2 Emission
231 ~ 233 g/km
Coefficient Of Drag
0.32
0.34
Fuel Economy
9.7 L/100km / 24.2 MPG (combined) | 14.0 L/100km / 16.8 MPG (urban) | 7.2 L/100km / 32.7 MPG (highway)
10.2 L/100km / 23.1 MPG (combined)
Top Speed
250.0 km/h / 155.3 mph
280.0 km/h / 174.0 mph
250.0 km/h / 155.3 mph

Powertrain

Drivetrain Layout
Front-engine (longitudinal), Rear-wheel drive
Front-engine (longitudinal), Rear-wheel drive
Front-engine (longitudinal), All-wheel drive
Emission Standard
Euro 5
Euro 5
Euro 6d
Engine
S65B40
S58B30T0
Engine | Bore
92.0 mm / 3.6 in
84.0 mm / 3.3 in
84.0 mm / 3.3 in
Engine | Compression Ratio
12.0:1
9.4:1
9.3:1
Engine | Displacement
4.0 L / 244.0 cu-in / 3999.0 cc
3.0 L / 181.8 cu-in / 2979.0 cc
3.0 L / 182.6 cu-in / 2993.0 cc
Engine | Power
420.0 hp / 313.2 kW @ 8300 rpm
360.0 hp / 268.5 kW @ 5500-6000 rpm
510.0 hp / 380.3 kW @ 6250 rpm
Engine | Redline
7200 rpm
Engine | Specific Output
105.0 hp/L / 1.7 hp/cu-in
120.8 hp/L / 2.0 hp/cu-in
170.4 hp/L / 2.8 hp/cu-in
Engine | Stroke
75.2 mm / 3.0 in
89.6 mm / 3.5 in
90.0 mm / 3.5 in
Engine | Torque
400 Nm / 295.0 lb-ft @ 3900 rpm
500 Nm / 368.8 lb-ft @ 3800-5000 rpm
650 Nm / 479.4 lb-ft @ 2750-5500 rpm
Engine | Type
Naturally-aspirated multi-port injected petrol V8 engine with 4 values per cylinder
Turbocharged multi-port injected petrol inline-6 DOHC engine with 4 values per cylinder
Twin-scroll turbocharged direct-injected petrol inline-6 engine with 4 values per cylinder
Fuel Capacity
59 L
Transmission | Gears
6-speed
8-speed
Transmission | Type
Automatic
Automatic M Steptronic

Production

Availability
2008 ~ 2013
2007 ~ 2012
2021
Debut
2021-05
Made In
Germany

Reviews

Neofiliac score
77%
75%
78%
Pros
  • Convertible hard top
  • Great styling with the top up or down
  • Great S65 engine
  • Good transmissions
  • Hardtop convertible
  • Great styling
  • Decent performance
  • OK-ish styling with the top down
  • Solid S58 engine
  • Enjoyable 7200rpm redline
Cons
  • Stuck with MacPherson struts in the front
  • Much heavier than the Coupe
  • Stuck with MacPherson struts in the front
  • Performance not very good
  • Somewhat overstyled
  • Ugly front-end
  • Stuck with MacPherson struts in the front
  • AWD-only

Price

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